#include <fstream>
#include <vector>
#include <queue>
#include <bitset>

using namespace std;

ifstream cin("bellmanford.in");
ofstream cout("bellmanford.out");

const int N=5e4+5;
const int INF=2e9;
const int START=1;

int n,m;
int cont[N+5];
vector <int> d(N +5, INF);
vector <pair<int, int>> adj[N];
bitset <N> inQueue;

bool bellmanFord(){
    queue <int> q;
    q.push(START);
    d[START]=0;
    cont[START]=inQueue[START]=1;
    while(!q.empty()){
        int node=q.front();
        q.pop();
        inQueue[node]=0;
        for(auto it:adj[node]){
            if(d[node]+it.second<d[it.first]){
                d[it.first]=d[node]+it.second;
                if(!inQueue[it.first]){
                    q.push(it.first);
                    inQueue[it.first]=1;
                    cont[it.first]++;
                    if(cont[it.first]==n)
                        return 0;
                }
            }
        }
    }
    return 1;
}

int main()
{
    cin>>n>>m;
    for(int i = 1; i <= m; i++){
        int x,y,c;
        cin>>x>>y>>c;
        adj[x].emplace_back(y, c);
    }
    if(!bellmanFord())
        cout<<"Ciclu negativ!\n";
    else{
        for(int i=2; i<=n; i++)
            cout<<d[i]<<' ';
        cout<<'\n';
    }
    return 0;
}